Propulsion Component Responsible Engineer

Company: Hermeus
Location: Los Angeles
Posted on: February 14, 2026

Job Description:

Job Description Job Description Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries. The Propulsion Component Responsible Engineer is responsible for designing, building, qualifying, acceptance testing, and delivering flight valves, actuators, mechanisms, and other mechanical systems. This role is highly hands-on and technical, with ownership from clean sheet design through development and into production of flight hardware integrated into engine and vehicle systems. This highly interdisciplinary role requires strong first-principles knowledge in mechanics, fluids, thermal sciences, and manufacturing; the ability to communicate requirements in a rapidly changing environment; and the drive to rapidly and safely create novel, cutting-edge hardware to accelerate the future of hypersonic travel. Responsibilities: Fully own critical flight hardware from concept to delivery Work with system owners to architect and integrate components within engine and vehicle systems Perform system-level architecture, sizing, and design trades Lead system design, analysis, development testing, qualification, and production introduction of mechanical systems Scope vehicle-level operational methods and limits to ensure reliability and personnel safety across production and operations Make risk-conscious technical decisions aligned with program posture Prioritize tasks to meet top-level program and company objectives Minimum Requirements Bachelor’s degree in engineering discipline (mechanical, aerospace, physics, materials, etc.) 5 years of engineering, competition team, or applied research experience related to fluids, mechanisms, or engine systems Preferred Skills and Experience: Master’s degree in engineering discipline (mechanical, aerospace, physics, materials, etc.) 4 years of experience developing hardware from concept to production Proficiency in compressible/incompressible flow, thermodynamics, kinematics, mechanism design, mechanics of materials, and materials Experience using CAD to design parts and assemblies Strong knowledge of GD&T and stack-up analysis Scripting experience (Python, Matlab, Excel, VBA, etc.) Ability to execute in a scrappy, entrepreneurial manner with tight timelines Professional experience using Siemens NX/Teamcenter and ANSYS Willingness to travel to support hardware builds and flight tests Additional Requirements: Willingness to travel to support hardware builds and flight tests The salary information provided is a general guideline only. Hermeus takes various factors into account, including, but not limited to, the position's scope and responsibilities, the candidate's professional background, education and training, essential skills, and market and business considerations, when presenting a job offer. Salary is only one part of our total compensation and benefits package. Hermeus offers competitive salary and equity, unlimited PTO policy, paid parental leave, potential for year-end bonuses, and more! 100% employer-paid health care 401k & Retirement Plans Unlimited PTO Weekly Paid Office Lunches End of Year Bonuses Fully stocked breakrooms Stock Options Paid Parental Leave U.S. EXPORT CONTROL COMPLIANCE STATUS The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending. EQUAL OPPORTUNITY Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Keywords: Hermeus, El Monte , Propulsion Component Responsible Engineer, Engineering , Los Angeles, California